5.0kW – 8.0kW – R290 Ecodan Ultra Quiet PUZ-WZ Range

Mitsubishi Electric Ecodan R290 PUZ-WZ VAA

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This innovative model has a guaranteed operation range down to -25°C ambient temperature, while utilising the refrigerant properties of R290 to efficiently achieve high water temperatures up to 75°C and a low GWP (Global Warming Potential). Making the Ecodan R290 heat pump the perfect renewable alternative to conventional fossil fuel boilers.

Available in: 5kW, 6kW, 8kW

Model ReferenceRated Heat Output in kW (and relative COP)
Vol (L/min)



Heat Pump
Reg No.
Outdoor UnitA-7/W35A2 /W35A2/W45A2/W65
PUZ-WZ50VHA(-BS)5.20 (2.68)5.80 (2.95)5.50 (2.35)4.30 (1.69)6.516 (1Ph)

PUZ-WZ60VAA(-BS)6.20 (2.47)6.80 (2.92)6.00 (2.34)5.00 (1.68)6.516 (1Ph)TBC
PUZ-WZ80VAA(-BS)8.20 (2.28)8.80 (2.77)8.70 (2.27)6.60 (1.57)6.525 (1Ph)TBC

Outdoor unit and cylinder package

Features and Benefits

  • Built-in Melcloud WiFi control also allows Remote control, monitoring, maintenance and technical support
  • Self-contained unit, only requiring water and electric connections
  • Compatible with Third Party or Mitsubishi Electric Ecodan EHPT20X-MHEHW Cylinder
  • High water temperature of up to 75°C
  • Multiple unit cascade function available for larger capacity solutions
  • No need for gas supply, flues or ventilation
  • Single phase power supply with a low starting current
  • Low maintenance and quiet operation
  • Operates with outside temperatures as low as -25ºC
  • Hybrid function, for use with conventional boilers
  • 2-zone energy efficient space heating control
  • Energy monitoring as standard
  • Coastal protection models available (-BS)
  • Full Heating Capacity at low ambient temperatures


Application Examples

  • The vast majority of UK homes
  • Small Retail Outlets
  • Dental / Doctor’s Surgeries
  • Public Sector / Commercial Buildings


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